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Communication | Special issue | Vol 15, No. 1, 1981, pp.183-185
Published online, 1st January, 1970
DOI: 10.3987/S-1981-01-0183
Heterocycles IX. Asymmetric Epoxidation of a Quinone and Syntheses of Chiral Lactones

Yoshihiro Harigaya, Hiroko Yamaguchi, and Masayuki Onda*

*School of Pharmaceutical Sciences, Kitasato University, 5-9-1, Shirokane, Minato-ku, Tokyo 108-8641, Japan

Abstract

The epoxy diketone (2) is obtained in optically active form by the phase-transfer chiral epoxidation of the quinone (1). The transformation of 2 to the lactones (5) and (6) is carried out without the loss of optical activity.